InfinitiPartsDeal.com offers the wholesale prices for genuine 2015 Infiniti Q60 Coupe parts. Parts like Catalyst Converter,Exhaust Fuel & URE In are shipped directly from authorized Infiniti dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.7L. Grade/Trim: Base, Leather, Leather Journey, Leather Premium, Sport, Sport Premium.